Fur trappers may have visited Devils Tower, but they left no written evidence of having done so.

The landscape surrounding Devils Tower is composed mostly of sedimentary rocks.

As a result, the gray columns of Devils Tower began to appear as an isolated mass above the landscape.

Portions, or even entire columns, of rock at Devils Tower are continually breaking off and falling.

(Those are the marks which appear today on the sides of Devils Tower.)

The boys have the sisters lead the bear to Devils Tower and trick it into thinking they have climbed the rock.

I drove through the drizzle to Devils Tower, about twenty-five miles away.

A well-known example of an intrusion is Devils Tower.

Sleeping is the final obstacle to overcome in the ascent of Devils Tower.

The forest was named for Devils Tower or the "Bear Lodge".